Add a full Blimp integration test.

blimp/client/public/contents/blimp_contents.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef BLIMP_CLIENT_PUBLIC_CONTENTS_BLIMP_CONTENTS_H_
 #define BLIMP_CLIENT_PUBLIC_CONTENTS_BLIMP_CONTENTS_H_
 
 #include "base/macros.h"
 #include "base/supports_user_data.h"
 #include "ui/gfx/native_widget_types.h"
-#include "url/gurl.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/scoped_java_ref.h"
 #endif
 
+namespace cc {
+class Layer;
+}  // namespace cc
+
 namespace blimp {
 namespace client {
 
 class BlimpContentsObserver;
+class BlimpContentsView;
 class BlimpNavigationController;
 
 // BlimpContents is the core class in blimp client which is responsible for
 // rendering web pages in a rectangular area. The interaction with between the
 // client and engine is encapsulated behind this interface through the use of
 // the navigation controller. Each BlimpContents has exactly one
 // BlimpNavigationController which can be used to load URLs, navigate
 // backwards/forward etc. See blimp_navigation_controller.h for more details.
 class BlimpContents : public base::SupportsUserData {
  public:
   // Retrives the navigation controller that controls all navigation related
   // to this BlimpContents.
   virtual BlimpNavigationController& GetNavigationController() = 0;
 
   // Enables adding and removing observers to this BlimpContents.
   virtual void AddObserver(BlimpContentsObserver* observer) = 0;
   virtual void RemoveObserver(BlimpContentsObserver* observer) = 0;
 
-  // Returns the native view that holds the contents of this tab.
-  virtual gfx::NativeView GetNativeView() = 0;
+  // Returns the view that holds the contents of this tab.
+  virtual BlimpContentsView* GetView() = 0;
 
   // Will cause this BlimpContents and the remote contents to show and start or
   // stop rendering content respectively.
   virtual void Show() = 0;
   virtual void Hide() = 0;
 
 #if defined(OS_ANDROID)
   // Returns a Java object of the type BlimpContents for the given
   // BlimpContents.
   virtual base::android::ScopedJavaLocalRef<jobject> GetJavaObject() = 0;
 #endif
 
  protected:
   BlimpContents() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BlimpContents);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_PUBLIC_CONTENTS_BLIMP_CONTENTS_H_